Change your Mvc AddView template

I didn't like that the AddView template ignored the DisplayAttribute(Order=0). So I adjusted it following http://blogs.msdn.com/b/webdev/archive/2009/01/29/t4-templates-a-quick-start-guide-for-asp-net-mvc-developers.aspx I added the following to my CodeTemplates/AddView/CSHTML/List.tt file

IEnumerable<PropertyInfo> SortProperties(IEnumerable<PropertyInfo> props)
    {
      var pl = props.ToList();
      var length = pl.Count;
      var q = from p in pl
            let da = p.GetCustomAttribute<DisplayAttribute>()
            where da != null
            let o = da.GetOrder()
            where o.HasValue
            orderby o
            select new { p, o.Value };

      var ordered = q.ToList();
      var remainder = pl.Except(ordered.Select(o => o.p).ToArray()).ToArray();
      var destination = new PropertyInfo[length];

      foreach (var o in ordered)
      {
        destination[o.Value] = o.p;
      }

      if (ordered.Count == length)
        return ordered.Select(o => o.p).ToArray();

      var remainderCount = 0;
      for (int i = 0; i < pl.Count; i++)
      {
        if (destination[i] != null)
          continue;
        destination[i] = remainder[remainderCount];
        remainderCount++;

      }
      return destination;


    }

then updated GetEligibleProperties to call it in the property loop. Here's the unit test:

using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Diagnostics;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;

using Microsoft.VisualStudio.TestTools.UnitTesting;


namespace MyMvc.Tests.CodeTemplates.AddView.CSHTML
{
  [TestClass]
  public class ListTests
  {
    class SortTester
    {
      public Guid FileGuid { get; set; }

      [Display(Order = 0)]
      public string FileName { get; set; }

      public int CustomerId { get; set; }

      [Display(Order = 1)]
      public int? ExpectedTrxCount { get; set; }
    }
    IEnumerable<PropertyInfo> SortProperties(IEnumerable<PropertyInfo> props)
    {
      var pl = props.ToList();
      var length = pl.Count;
      var q = from p in pl
            let da = p.GetCustomAttribute<DisplayAttribute>()
            where da != null
            let o = da.GetOrder()
            where o.HasValue
            orderby o
            select new { p, o.Value };

      var ordered = q.ToList();
      var remainder = pl.Except(ordered.Select(o => o.p).ToArray()).ToArray();
      var destination = new PropertyInfo[length];

      foreach (var o in ordered)
      {
        Console.WriteLine("ordering:" + o.p.Name);
        destination[o.Value] = o.p;
      }

      if (ordered.Count == length)
        return ordered.Select(o => o.p).ToArray();

      var remainderCount = 0;
      for (int i = 0; i < pl.Count; i++)
      {
        if (destination[i] != null)
          continue;
        destination[i] = remainder[remainderCount];
        remainderCount++;

      }
      foreach (var d in destination) Console.WriteLine(d.Name);
      return destination;


    }
    [TestMethod]
    public void Sort_DisplayOne_IsSecond()
    {
      var type = typeof(SortTester);
      
      var props = type.GetProperties(BindingFlags.Public | BindingFlags.Instance);
      var expected = props.First(p => p.Name == LinqOp.PropertyOf(()=>new SortTester().FileName).Name);
      var sorted = SortProperties(props);
      var actual = sorted.First();
      Assert.AreEqual(expected, actual);

    }
    [TestMethod]
    public void Sort_DisplayZero_IsFirst()
    {
      var type = typeof(SortTester);

      var props = type.GetProperties(BindingFlags.Public | BindingFlags.Instance);
      var expected = props.First(p => p.Name == LinqOp.PropertyOf(() => new SortTester().ExpectedTrxCount).Name);
      var sorted = SortProperties(props);
      var actual = sorted.Skip(1).First();
      Assert.AreEqual(expected, actual);

    }
  }
}

Here's the source of LinqOp